725208959 has 4 divisors (see below), whose sum is σ = 725268504. Its totient is φ = 725149416.

The previous prime is 725208949. The next prime is 725208973. The reversal of 725208959 is 959802527.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 725208959 - 2¹⁶ = 725143423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725208949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4157 + ... + 38310.

It is an arithmetic number, because the mean of its divisors is an integer number (181317126).

Almost surely, 2^725208959 is an apocalyptic number.

725208959 is a deficient number, since it is larger than the sum of its proper divisors (59545).

725208959 is a wasteful number, since it uses less digits than its factorization.

725208959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59544.

The product of its (nonzero) digits is 453600, while the sum is 47.

The square root of 725208959 is about 26929.7040273375. The cubic root of 725208959 is about 898.4371886390.

The spelling of 725208959 in words is "seven hundred twenty-five million, two hundred eight thousand, nine hundred fifty-nine".